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Model comparison

Claude Opus 4.7 vs Grok 4

Data verified

Head-to-head evidence from 17 shared benchmark results across 7 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

71.63/100
Margin
11.3pts
← winning
60.36/100
1 category wins0 category wins

BenchAlign evidence: Claude Opus 4.7 supported; Grok 4 supported. Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Claude Opus 4.7 and Grok 4 share 17 comparable benchmark results. 1 of 8 categories are comparable. 5 results are unique to Claude Opus 4.7; 0 to Grok 4.

Updated July 15, 2026
Shared results
17
Claude Opus 4.7 only
5
Grok 4 only
0
Comparable categories
1 / 8

Pick Claude Opus 4.7 if you want the stronger benchmark profile. Grok 4 only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.

Confidence note. This is a partial-evidence comparison with 17 shared benchmark results across 7 evidence categories; 1 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

Claude Opus 4.7 is clearly ahead on the provisional aggregate, 69 to 61. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Claude Opus 4.7's sharpest advantage is in mathematics, where it averages 38.6 against 15.3. The single biggest benchmark swing on the page is FrontierMath v2 (Tiers 1-3), 43.793% to 19.655%.

Claude Opus 4.7 gives you the larger context window at 1M, compared with 128K for Grok 4.

Category breakdown

Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.

Category scores and score margins for Claude Opus 4.7 and Grok 4
CategoryClaude Opus 4.7ΔGrok 4
MathClaude Opus 4.738.6Margin← 23.3Grok 415.3

Decisive benchmark drivers

The largest measured benchmark gaps in this matchup, with exact reported values.

More
A · Claude Opus 4.7B · Grok 4

  1. FrontierMath v2 (Tiers 1-3)

    Math
    Source ↗
    A 43.793%B 19.655%
    Winner: Claude Opus 4.7Δ 24.1
    FrontierMath v2 (Tiers 1-3): Claude Opus 4.7 scored 43.793%; Grok 4 scored 19.655%. Claude Opus 4.7 wins this benchmark.

  2. FrontierMath v2 (Tier 4)

    Math
    Source ↗
    A 22.917%B 2.083%
    Winner: Claude Opus 4.7Δ 20.8
    FrontierMath v2 (Tier 4): Claude Opus 4.7 scored 22.917%; Grok 4 scored 2.083%. Claude Opus 4.7 wins this benchmark.

Operational comparison

Runtime and commercial metrics are compared only when both models have a complete sourced value.

MetricClaude Opus 4.7Grok 4Comparison
Input / output priceUSD per 1M tokensClaude Opus 4.7$5 input / $25 outputGrok 4Not availableA complete price comparison is not available.
Generation speedtokens per secondClaude Opus 4.7Not availableGrok 454 tok/sA complete speed comparison is not available.
First-answer latencyseconds to first tokenClaude Opus 4.7Not availableGrok 415.60 sA complete latency comparison is not available.
Context windowmaximum listed tokensClaude Opus 4.71MGrok 4128KClaude Opus 4.7 lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkClaude Opus 4.7Grok 4Result
τ²-bench resultsSource 74%74.9%Grok 4 leads
Gert LabsSource 65.59%42.34%Claude Opus 4.7 leads
ResearchClawBenchSource 20.7%—Not comparable
OSWorld 2.0Source 13.9%—Not comparable
Coding
BenchmarkClaude Opus 4.7Grok 4Result
Vibe Code BenchSource 71.00%—Not comparable
React Native EvalsSource 82.8%72.6%Claude Opus 4.7 leads
Terminal-Bench HardSource 54.5%37.9%Claude Opus 4.7 leads
AA-SciCodeSource 50.1%45.7%Claude Opus 4.7 leads
FrontierCodeSource 38.5%—Not comparable
Reasoning
BenchmarkClaude Opus 4.7Grok 4Result
AA-LCRSource 67.0%68.0%Grok 4 leads
CritPtSource 5.1%2.0%Claude Opus 4.7 leads
Knowledge
BenchmarkClaude Opus 4.7Grok 4Result
Artificial Analysis Intelligence IndexSource 42.7%33.3%Claude Opus 4.7 leads
AA-GPQA DiamondSource 88.5%87.7%Claude Opus 4.7 leads
AA-HLESource 31.2%23.9%Claude Opus 4.7 leads
AA-Omniscience IndexSource 14.2%3.8%Claude Opus 4.7 leads
AA-Omniscience AccuracySource 43.5%41.4%Claude Opus 4.7 leads
AA-Omniscience Hallucination RateSource 51.9%64.2%Claude Opus 4.7 leads
MathClaude Opus 4.7 wins
BenchmarkClaude Opus 4.7Grok 4Result
FrontierMath v2 (Tiers 1-3)Source 43.793%19.655%Claude Opus 4.7 leads
FrontierMath v2 (Tier 4)Source 22.917%2.083%Claude Opus 4.7 leads
Multimodal
BenchmarkClaude Opus 4.7Grok 4Result
AA-MMMU-ProSource 76.4%68.8%Claude Opus 4.7 leads
Design Arena WebsiteSource 1328—Not comparable
Inst. Following
BenchmarkClaude Opus 4.7Grok 4Result
AA-IFBenchSource 43.6%53.7%Grok 4 leads
Frequently Asked Questions (2)

Which is better, Claude Opus 4.7 or Grok 4?

Claude Opus 4.7 is ahead on BenchLM's provisional leaderboard, 69 to 61. The biggest single separator in this matchup is FrontierMath v2 (Tiers 1-3), where the scores are 43.793% and 19.655%.

Which is better for math, Claude Opus 4.7 or Grok 4?

Claude Opus 4.7 has the edge for math in this comparison, averaging 38.6 versus 15.3. Inside this category, FrontierMath v2 (Tiers 1-3) is the benchmark that creates the most daylight between them.

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Last updated: July 15, 2026

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